20210420.txt

'''
c=input("請輸入：")
d=int(c)*10
print(d)
'''

c=eval(input("請輸入："))
d=c*10
print(d)

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s=input("請輸入：")
score=int(s)

print(score)
if score>=60:
    print("及格囉！")
else:
    print("等重考吧！")

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s=input("請輸入：")
num=int(s)

print(num)
if num>=100:
    print("三位數以上！")
else:
    if num>=10 and num<100:
        print("二位數！")
    else:
        print("個位數！")




s=input("請輸入：")
num=int(s)

print(num)
if num>=100:
    if num>=1000:
        print("四位數以上！")
    else:
        print("三位數！")
else:
    if num>=10 and num<100:
        print("二位數！")
    else:
        if num<0:
            print("負數！")
        else:
            print("個位數！")


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a=round(56.789,2)
b=round(56.789)
c=round(56.789,-1)
print(a)
print(b)
print(c)

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s=input("請輸入：")
score=int(s)

print(score)
if score>=90:
    print("甲等")    
elif score>=80 and score<90:
    print("乙等")
elif score>=70 and score<80:
    print("丙等")
elif score>=60:
    print("丁等")
else:
    print("戊等")

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for i in range(1,11):
    print(i)

for i in range(1,20,2):
    print(i)


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LL=[1,11,21,31,41]
for i in LL:
    print(i)


LL.append(51)
LL.remove(31)

for i in LL:
    print(i)

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total=0
total_even=0
total_odd=0

for i in range(450,1601):
    total+=i
    if(i%2==0):
        total_even+=i
    else:
        total_odd+=i

print("總和："+str(total))
print("奇數和："+str(total_odd))
print("偶數和："+str(total_even))

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i=1
while i<=10:
    print(str(i)+". 石門水庫")
    i+=1

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total=0
total_even=0
total_odd=0
a=450

while a<=1600:
    total+=a
    if(a%2==0):
        total_even+=a
    else:
        total_odd+=a
    a+=1

print("總和："+str(total))
print("奇數和："+str(total_odd))
print("偶數和："+str(total_even))

-----------------------

total=1
count=0
while total<=2000000000:
    count+=1
    total=3**count    

print("3的 "+str(count)+" 次方的值："+str(total))

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'''
for i in range(1,43):
    print(str(i)+". 石門水庫")
    if i==20:
        break
'''

for i in range(1,43):
    if i%4==0:
        continue
    print(str(i)+". 石門水庫")

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result=""

for i in range(1,43):
    if i%4==0:
        continue
    result+=str(i)+". 巨匠電腦"+"\r\n"

print(result)

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a="巨匠電腦桃園認證中心"
SubString(a,4)  桃園認證中心
SubString(a,4,2)  桃園    C#
SubString(a,4,6)  桃園    Java

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result=""
a="石門水庫"
for b in a:
    result+=b+"\r\n"

print(result)
print(a[2])
print(a[5])
print(a[4:6])

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result=""

for i in range(1,6):
    result+="這是外圈的第 "+ str(i)+" 圈\r\n"
    for j in range(1,6):
        result += "  這是裡圈的第 " + str(j) + " 圈\r\n"

print(result)

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a=123
b=56.42

print("A的值：{0}, B的值：{1}, 再一次A的值：{0}".format(a,b))

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result=""

for i in range(1,10):
    for j in range(1,10):
        result += "{0}*{1}={2}\t".format(i,j,i*j)
    result+="\r\n"
print(result)

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result=""
isStop=False

for i in range(1,10):
    for j in range(1,10):
        result += "{0}*{1}={2}\t".format(i,j,i*j)
        if i==6 and j==7:
            isStop=True
            break        
    if isStop:
        break
    result+="\r\n"
print(result)

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